Home / 35,984.73-49,658.22-20,878.77

Finding the Fourth Proportional to 35,984.73, 49,658.22 and 20,878.77

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Solution

The fourth proportional to 35,984.73, 49,658.22 and 20,878.77 is: 28,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,984.73 : 49,658.22 = 20,878.77 : x
  2. Step 2: Convert to fraction form
    35,984.73/49,658.22 = 20,878.77/x
  3. Step 3: Cross multiply
    35,984.73x = 49,658.22 × 20,878.77
  4. Step 4: Simplify right side
    35,984.73x = 1,036,802,553.99
  5. Step 5: Solve for x
    x = 1,036,802,553.99/35,984.73
  6. Step 6: Final answer
    x = 28,812.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.